<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Number</title>
</head>
<body>
    
</body>
<script>
    //1. parseFloat()  将传入的字符串浮点数转为浮点数

    //2. parseInt()    将传入的字符串整数转为整数

</script>
</html>